Improvement in harrows



"J; CHASE;

. Harrow. V I No. 84,342. Patented Nov :24, 1868.

Invent r N. PETERS. Pholoiltbographor, wamiunon. D. c.

UNITED STATES PATENT OFFICE,

JOHN CHASE, OF FARMINGTON, PENNSYLVANIA.

IMPROVEMENT IN HARROWS.

Specification forming part of Letters Patent No. 84.342, dated November24, 1868.

To all whom "it may concern:

Be it known that I, JOHN CHASE, of the town of Farmington, county ofWarren, and State of Pennsylvania, have invented an Improved Form ofHarrow; and I do hereby declare that the following is a full, clear, and

exact description of the same, reference being had to the annexeddrawing, making a part of this specification, and to the letters ofreference marked thereon.

The nature of my invention consists in the construction of an implementwhich shall operate over obstructions and uneven surfaces moreeffectively than any harrow now in use.

To enable others to make and use my invention, I will proceed todescribe its construction.

The harrowis composed of four parts, united by means of hook-and-eyejoints, the hooks being placed on the leading part, and the eyes on thepart following. Instead of hooks and eyes, clevises may be used forjoints.-

The materials to be used are wooden scantling for the frame, (I preferoak, two and a half by three inches,) into which steel teeth areinserted at suitable intervals, and forged or cast iron joints.

B, the leader, is constructed in the form of the ordinary A-drag,widened, and a central stick, 0, inserted.

1), the central follower, is of the simplest form of the A-drag, and isattached to the central stick 0 of the leader.

E E, the right and the left flanks, are in form like the common F squaredrag, of such proportions that one side in each shall be equal indimension to the distances between the rear ends of the leader on m andthose of the central follower n n. Other forms of drags may be used forthe follower or flanks. In the construction of the several parts the

